WooYun.org

function kc_pageLoad(){
	if (KC_MAGIC_QUOTES_GPC){
		$_GET=kc_stripslashes_array($_GET);
		$_POST=kc_stripslashes_array($_POST);
		$_COOKIE=kc_stripslashes_array($_COOKIE);
		$array=array('PHP_SELF','SCRIPT_URI','QUERY_STRING','PATH_INFO','PATH_TRANSLATED');
		foreach($array as $val){
			if(isset($_SERVER[$val]))
				$_SERVER[$val]=htmlspecialchars($_SERVER[$val]);
                                //这里程序员考虑到了跨站的问题
                           例如：我们提交一个 fuca.php/"><script>alert(/Samy/)</script>
                              就导致一个反射型XSS
 
		}
	}
	//设置ismethod值 true:post ; false:get
	$ismethod=kc_post('METHOD') ? True : False;
	$GLOBALS['ismethod']=!($_SERVER['REQUEST_METHOD']=='GET' || $ismethod);
}
function kc_stripslashes_array(&$_data){
	if (is_array($_data)){
		foreach ($_data as $_key => $_value){
			$_data[$_key]=kc_stripslashes_array($_value);
		}
		return $_data;
	}else{
		return stripslashes($_data);
	}
}

function kc_get($name,$type=2,$is=0){
	global $king;
	$val=isset($_GET[$name]) ? $_GET[$name] :'';
	if(!isset($val{0}))
		$val=isset($_POST[$name]) ? $_POST[$name] : '';
	if(isset($val{0})){
		if(kc_validate($val,$type)){
			$_getid=$val;
		}else{
			kc_error($king->lang->get
                 略....
kc_validate
function kc_validate($s,$_type){
	switch($_type){
		case 1:$_reg='/^[a-zA-Z0-9]+$/';break;
		case 2:$_reg='/^[0-9]+$/';break;
		case 3:$_reg='/^([0-9\.]+\,?)+$/';break;
		case 4:$_reg='/^[A-Za-z0-9\_]+$/';break;
		case 5:
			$_reg='/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/';break;
		case 6:
			//$_reg='/^(http|https|ftp):(\/\/|\\\\)(([\w\/\\\+\-~`@:%])+\.)+([\w\/\.\=\?\+\-~`@\:!%#]|(&)|&)+/';
			$_reg='/^[a-zA-Z]{3,10}:\/\/[^\s]+$/';
			break;
		case 7:
			global $king;
//			$_bool=in_array(kc_f_ext($s),explode('|',$king->config('upimg')));
//			retrun $_bool;
			$_reg='/^([a-zA-Z]{3,10}:\/\/)?[^\s]+\.('.$king->config('upimg').')$/';
			//$_reg='/^((http|https|ftp):(\/\/|\\\\)(([\w\/\\\+\-~`@:%])+\.)+([\w\/\.\=\?\+\-~`@\:!%#]|(&)|&)+|([\w\/\\\.\=\?\+\-~`@\':!%#]|(&)|&)+)\.('.$king->config('upimg').')$/';
			break;//jpeg|jpg|gif|png|bmp
		case 8:
			$_reg='/^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29)) (20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d$/';break;
		case 9:
			$_reg='/^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29))$/';break;
		case 10:$_reg='/^\d?\.\d?\.\d{4}$/';break;
		case 13:$_reg='/^#?[0-9A-Fa-f]{6}$/';break;
		default:$_reg=$_type;
		case 22:$_reg='/^\-?[0-9]+$/';break;
		case 23:$_reg='/^[a-zA-Z][a-zA-Z0-9\_]*/';break;
		case 24:$_reg='/^[a-zA-Z0-9-_]+$/';break;
		case 25:$_reg='/[a-zA-Z0-9\+\%]+(\=)*$/';break;
		case 33:$_reg='/^(\-?[0-9]+\,?)+$/';break;
		default:$_reg=$_type;
             略..

$tmp=$t ? $t : $this->tmp;
	if(substr($tmp,0,6)=='{Tags}'){
		$s='<div style="border:5px solid #CCC;background:#EFEEEE;padding:15px;line-height:20px;">';
		foreach($this->array as $key => $val){
			$s.="<tt>{king:$key/}</tt> -&gt; $val <br/>";
		}
		$s.='</div>';
	}else{
		kc_runtime('Template');
		$s=preg_replace_callback($this->parent,array(&$this,'regexcallback'),$tmp);
		kc_runtime('Template',1);
	}
	$parent='/<\?(php)?(\S*?)((.|\n)+?)\?>/is';
	$s=preg_replace_callback($parent,array(&$this,'regexphpcallback'),$s);
	return $s;
public function regexphpcallback($m){
	$php=$m[3];
	if(isset($php)){
		ob_start();
		eval($php);
		$s=ob_get_clean();
	}
	return $s;
}